Method: Boil Yam and cut into small pieces (usually i pressure cook with the dhall and rice). Grind green chilli and coconut in a mixer. cut onion into small pieces. Take a bowl add the cut yam, onion and the coconut paste. Add curds, salt and mix.Make the takda, take some oil add red chilli leave for a sec, add urad dhall, mustard seeds, hing. add takda to yam mixture once the mustard splutters. yam hasi is ready for you to serve. Serve with rice.